Download server (fixed IP, fast, but some old software does not have)：
http://down.hahan123.com/down_server/HD512_DVD
Old HD512 Update software can download from this http Server, Please Note: this IP sometimes will change, if can’t link, please refresh this page after 15 minute.
This is HOME server, it is very slower, but the server includes any old software install file.
http://113.110.247.149:9898/HD512_DVD
Check update log:
Warning: file_get_contents(http://down.hahan123.com/down_server/HD512_DVD/en_log.txt): Failed to open stream: HTTP request failed! HTTP/1.1 404 Not Found in /www/wwwroot/hahan123.com/wp-content/plugins/insert-php-code-snippet/shortcode-handler.php(77) : eval()'d code on line 3